<template>
  <div>
    <!--面包屑导航-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片视图区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>

        <!--table表格区域-->
        <el-table :data="goodsList" border stripe>
          <el-table-column type="index" label="#"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column
            label="商品价值(元)"
            prop="goods_price"
            width="95px"
          ></el-table-column>
          <el-table-column
            label="商品重量"
            prop="goods_weight"
            width="75px"
          ></el-table-column>
          <el-table-column label="商品创建时间" prop="add_time" width="150px">
            <template slot-scope="scope">
              {{ scope.row.add_time | dataFormat }}
            </template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
              ></el-button>
              <el-button
                type="primary"
                icon="el-icon-delete"
                size="mini"
                @click="removeById(scope.row.goods_id)"
              ></el-button>
            </template>
          </el-table-column>
        </el-table>

        <!--分页区域-->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
          background
        >
        </el-pagination>
      </el-row>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      // queryinfo定义查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      // 保存goods的数据的列表
      goodsList: [],
      // 总数据条数
      total: 0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 获取商品数据的方法
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo,
      })

      if (res.meta.status !== 200) {
        return this.$message.error('获取数据失败!')
      }

      this.goodsList = res.data.goods

      this.total = res.data.total
    },
    //
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除商品
    async removeById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('用户已取消删除')
      }

      const { data: res } = await this.$http.delete(`goods/${id}`)

      // console.log(res)
      if (res.meta.status !== 200) {
        return this.$meaasge.error('删除商品失败!')
      }
      this.$message.success('删除商品成功!')
      this.getGoodsList()
    },
    //
    goAddpage(){
      this.$router.push('/goods/add')
    }
  },
}
</script>
<style lang="less" scoped></style>
